The full potential of language is manifested in speech, that is, in context, therefore, the text of literary works written in different genres is examined from different aspects. The linguistic features of literary works have been widely studied in world and Uzbek linguistics, the linguistic levels have been thoroughly studied from a linguist-stylistic and linguopoetic point of view, but the form of Muhammadrasul Mirzo's work, brought to a single "Devon" state, which he created throughout his life, has not yet been studied in linguistics. Interpreting the lexicon of the text of a historical work by dividing it into historical-etymological layers makes it possible to determine the gradual development of the vocabulary of the language of a particular period. In this regard, Muhammadrasul Mirzo showed that in the distribution of words used in "Devon" by TEQ, Turkic words account for 19 percent of the total lexicon; Persian-Tajik words account for 29 percent, Arabic words account for 42 percent, and mixed words account for 10 percent.

Iranian words, Persian-Tajik words, Arabic words, Turkic words, historical-etymological layer, hypo-hyporenymic series, isophallic compounds, words with changed form.

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